<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        body{
            background: pink;
        }

        form ,#submit{
            margin: 0 auto;
            position: relative;
            left: 45%;
            display: inline-block;
        }
        h2{
            color:green;
        }
    </style>
</head>

<body>
    <div style="margin: 0 auto;">

        <form action="upload.php" method="post" enctype="multipart/form-data">
            <h2>
                1.关键词文件：
            </h2>
            <input type="file" name="file" />
            <br />
            <br />
            <input type="submit" value="提交" name="" id="">
        </form>
        <br />
        
        <form action="upload2.php" method="post" enctype="multipart/form-data">
            <h2>
                2.所有句子文件：
            </h2>
            <input type="file" name="file" />
            <br />
            <br />
            <input type="submit" value="提交" name="" id="">
        </form>
        
        <br />
        <div id="submit">
            <h2>
                1和2提交完毕后点击
            </h2>
            <a href="./analyse.php"><button>查看结果</button></a>
        </div>
    </div>

</body>

</html>